Started over with the simplest configuration I could manage and still
having this problem. Is there any configuration necessary for
enabling NHibernate.Linq functionality that I may be missing?
I am making a simple call:
using (ISession session = NHibernateHelper.OpenSession())
{
List<PickPeriod> periods = session.Linq<PickPeriod>
().Where(pp => pp.StartDate < DateTime.Now).ToList();
}
Here's the stack trace for the exception:
[MappingException: No persister for: System.DateTime]
NHibernate.Impl.SessionFactoryImpl.GetEntityPersister(String
entityName) +144
NHibernate.Linq.Visitors.AssociationRewriteVisitor.VisitMemberAccess
(MemberExpression expr) in E:\code\nHibernate\trunk\nhibernate\src
\NHibernate.Linq\Visitors\AssociationRewriteVisitor.cs:53
NHibernate.Linq.ExpressionVisitor.Visit(Expression exp) in E:\code
\nHibernate\trunk\nhibernate\src\NHibernate.Linq\ExpressionVisitor.cs:
66
NHibernate.Linq.Visitors.NHibernateExpressionVisitor.Visit
(Expression exp) in E:\code\nHibernate\trunk\nhibernate\src
\NHibernate.Linq\Visitors\NHibernateExpressionVisitor.cs:33
NHibernate.Linq.ExpressionVisitor.VisitBinary(BinaryExpression b)
in E:\code\nHibernate\trunk\nhibernate\src\NHibernate.Linq
\ExpressionVisitor.cs:124
NHibernate.Linq.ExpressionVisitor.Visit(Expression exp) in E:\code
\nHibernate\trunk\nhibernate\src\NHibernate.Linq\ExpressionVisitor.cs:
56
NHibernate.Linq.Visitors.NHibernateExpressionVisitor.Visit
(Expression exp) in E:\code\nHibernate\trunk\nhibernate\src
\NHibernate.Linq\Visitors\NHibernateExpressionVisitor.cs:33
NHibernate.Linq.ExpressionVisitor.VisitLambda(LambdaExpression
lambda) in E:\code\nHibernate\trunk\nhibernate\src\NHibernate.Linq
\ExpressionVisitor.cs:313
NHibernate.Linq.ExpressionVisitor.Visit(Expression exp) in E:\code
\nHibernate\trunk\nhibernate\src\NHibernate.Linq\ExpressionVisitor.cs:
70
NHibernate.Linq.Visitors.NHibernateExpressionVisitor.Visit
(Expression exp) in E:\code\nHibernate\trunk\nhibernate\src
\NHibernate.Linq\Visitors\NHibernateExpressionVisitor.cs:33
NHibernate.Linq.ExpressionVisitor.VisitUnary(UnaryExpression u) in
E:\code\nHibernate\trunk\nhibernate\src\NHibernate.Linq
\ExpressionVisitor.cs:114
NHibernate.Linq.ExpressionVisitor.Visit(Expression exp) in E:\code
\nHibernate\trunk\nhibernate\src\NHibernate.Linq\ExpressionVisitor.cs:
32
NHibernate.Linq.Visitors.NHibernateExpressionVisitor.Visit
(Expression exp) in E:\code\nHibernate\trunk\nhibernate\src
\NHibernate.Linq\Visitors\NHibernateExpressionVisitor.cs:33
NHibernate.Linq.ExpressionVisitor.VisitList(ReadOnlyCollection`1
original) in E:\code\nHibernate\trunk\nhibernate\src\NHibernate.Linq
\ExpressionVisitor.cs:200
NHibernate.Linq.ExpressionVisitor.VisitMethodCall
(MethodCallExpression m) in E:\code\nHibernate\trunk\nhibernate\src
\NHibernate.Linq\ExpressionVisitor.cs:185
NHibernate.Linq.ExpressionVisitor.Visit(Expression exp) in E:\code
\nHibernate\trunk\nhibernate\src\NHibernate.Linq\ExpressionVisitor.cs:
68
NHibernate.Linq.Visitors.NHibernateExpressionVisitor.Visit
(Expression exp) in E:\code\nHibernate\trunk\nhibernate\src
\NHibernate.Linq\Visitors\NHibernateExpressionVisitor.cs:33
NHibernate.Linq.Visitors.AssociationRewriteVisitor.Rewrite
(Expression expr, ISessionFactoryImplementor factory) in E:\code
\nHibernate\trunk\nhibernate\src\NHibernate.Linq\Visitors
\AssociationRewriteVisitor.cs:29
NHibernate.Linq.Query.LinqTranslator.Translate() in E:\code
\nHibernate\trunk\nhibernate\src\NHibernate.Linq\Query
\LinqTranslator.cs:39
NHibernate.Linq.NHibernateQueryProvider.Execute(Expression
expression) in E:\code\nHibernate\trunk\nhibernate\src\NHibernate.Linq
\NHibernateQueryProvider.cs:27
NHibernate.Linq.Query`1.GetEnumerator() in E:\code\nHibernate\trunk
\nhibernate\src\NHibernate.Linq\Query.cs:58
System.Collections.Generic.List`1..ctor(IEnumerable`1 collection)
+7663302
System.Linq.Enumerable.ToList(IEnumerable`1 source) +61
Also, in case it somehow matters the Helper is creating it's
ISessionFactory with:
var configuration = new Configuration();
configuration.Configure();
configuration.AddAssembly(typeof
(Season).Assembly);
_sessionFactory = configuration.BuildSessionFactory
();
On Mar 6, 2:00 pm, Tuna Toksoz <[email protected]> wrote:
> The trunk code with latest NH trunk dll works perfectly fine.
>
> Tuna
> Toksözhttp://tunatoksoz.comhttp://turkiyealt.nethttp://twitter.com/tehlike
>
> Typos included to enhance the readers attention!
>
> On Fri, Mar 6, 2009 at 6:58 AM, Tuna Toksoz <[email protected]> wrote:
> > I'll check it out today.
>
> > Tuna Toksöz
> >http://tunatoksoz.com
> >http://turkiyealt.net
> >http://twitter.com/tehlike
>
> > Typos included to enhance the readers attention!
>
> > On Fri, Mar 6, 2009 at 5:34 AM, Randy <[email protected]> wrote:
>
> >> I've confirmed that this is an issue w/o Castle Windsor in the
> >> pipeline. Is there some sort of configuration necessary for getting
> >> LinqToHibernate to work?
>
> >> On Mar 5, 12:50 pm, Randy <[email protected]> wrote:
> >> > Sorry that's on my box at home, but it's on trunk of nHibernate and
> >> > LinqToNHIibernate as of last night. I am also using the Castle NH
> >> > Facility on the latest build, if that may be part of the issue. I was
> >> > planning on testing it without Castle tonite to further isolate the
> >> > issue. I am very new to NH so I could be missing something basic
> >> > here, but I was able to get NH and Castle running just fine until I
> >> > tried integrating the Linq stuff.
>
> >> > Thanks!
>
> >> > On Mar 5, 4:19 am, Tuna Toksoz <[email protected]> wrote:
>
> >> > > Randy?
>
> >> > > Tuna Toksözhttp://tunatoksoz.comhttp://turkiyealt.nethttp://
> >> twitter.com/tehlike
>
> >> > > Typos included to enhance the readers attention!
>
> >> > > On Thu, Mar 5, 2009 at 12:18 PM, Tuna Toksoz <[email protected]>
> >> wrote:
> >> > > > Trunk doesn't have any changes since february 6.
>
> >> > > > Which revision of NH are you using?
>
> >> > > > Tuna Toksöz
> >> > > >http://tunatoksoz.com
> >> > > >http://turkiyealt.net
> >> > > >http://twitter.com/tehlike
>
> >> > > > Typos included to enhance the readers attention!
>
> >> > > > On Thu, Mar 5, 2009 at 6:24 AM, Randy <[email protected]> wrote:
>
> >> > > >> I'm getting the same exception w/ trunk as of 3/4. Anyone have any
> >> > > >> ideas?
>
> >> > > >> On Feb 24, 4:34 pm, James Crowley <[email protected]> wrote:
> >> > > >> > I'm workingagainst the current trunk of nhibernate and
> >> nhibernate.linq.
> >> > > >> > Accessing my data via the standard query methods is fine, but
> >> when going
> >> > > >> via
> >> > > >> > the linq2hibernate provider, I'm getting a MappingException
> >> stating "No
> >> > > >> > persister for: System.*" where * is whatever the first System.*
> >> type
> >> > > >> that
> >> > > >> > appears in my entity.
>
> >> > > >> > The line where it goes wrong is in VisitMemberAccess of
> >> > > >> > AssociationRewriteVisitor
>
> >> > > >> > IPropertyMapping mapping =
> >> > > >> > sessionFactory.GetEntityPersister(expr.Type.FullName) as
> >> > > >> IPropertyMapping;
>
> >> > > >> > and it's trying to find an entity persister for "System.String",
> >> > > >> > "System.Bool" etc.
>
> >> > > >> > Any ideas? Am I doing something wrong?
>
> >> > > >> > Thanks,
>
> >> > > >> > James
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